///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
/// 
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
/// 
/// Restrictions:
///		By making use of the Software for military purposes, you choose to make
///		a Bunny unhappy.
/// 
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref core
/// @file glm/detail/type_mat2x4.inl
/// @date 2006-08-05 / 2011-06-15
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

namespace glm {
    //////////////////////////////////////////////////////////////
    // Constructors

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4() {
#		ifndef GLM_FORCE_NO_CTOR_INIT
        this->value[0] = col_type(1, 0, 0, 0);
        this->value[1] = col_type(0, 1, 0, 0);
#		endif
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x4 <T, P> const &m) {
        this->value[0] = m.value[0];
        this->value[1] = m.value[1];
    }

    template<typename T, precision P>
    template<precision Q>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x4 <T, Q> const &m) {
        this->value[0] = m.value[0];
        this->value[1] = m.value[1];
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(ctor) {}

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(T const &s) {
        value_type const Zero(0);
        this->value[0] = col_type(s, Zero, Zero, Zero);
        this->value[1] = col_type(Zero, s, Zero, Zero);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4
            (
                    T const &x0, T const &y0, T const &z0, T const &w0,
                    T const &x1, T const &y1, T const &z1, T const &w1
            ) {
        this->value[0] = col_type(x0, y0, z0, w0);
        this->value[1] = col_type(x1, y1, z1, w1);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(col_type const &v0, col_type const &v1) {
        this->value[0] = v0;
        this->value[1] = v1;
    }

    //////////////////////////////////////
    // Conversion constructors
    template<typename T, precision P>
    template<
            typename X1, typename Y1, typename Z1, typename W1,
            typename X2, typename Y2, typename Z2, typename W2>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4
            (
                    X1 const &x1, Y1 const &y1, Z1 const &z1, W1 const &w1,
                    X2 const &x2, Y2 const &y2, Z2 const &z2, W2 const &w2
            ) {
        this->value[0] = col_type(static_cast<T>(x1), value_type(y1), value_type(z1),
                                  value_type(w1));
        this->value[1] = col_type(static_cast<T>(x2), value_type(y2), value_type(z2),
                                  value_type(w2));
    }

    template<typename T, precision P>
    template<typename V1, typename V2>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tvec4 <V1, P> const &v1, tvec4 <V2, P> const &v2) {
        this->value[0] = col_type(v1);
        this->value[1] = col_type(v2);
    }

    //////////////////////////////////////
    // Matrix conversions

    template<typename T, precision P>
    template<typename U, precision Q>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x4 <U, Q> const &m) {
        this->value[0] = col_type(m[0]);
        this->value[1] = col_type(m[1]);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x2 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0, 0);
        this->value[1] = col_type(m[1], 0, 0);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x3 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0);
        this->value[1] = col_type(m[1], 0);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x4 <T, P> const &m) {
        this->value[0] = col_type(m[0]);
        this->value[1] = col_type(m[1]);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x3 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0);
        this->value[1] = col_type(m[1], 0);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x2 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0, 0);
        this->value[1] = col_type(m[1], 0, 0);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x4 <T, P> const &m) {
        this->value[0] = m[0];
        this->value[1] = m[1];
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x2 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0, 0);
        this->value[1] = col_type(m[1], 0, 0);
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x3 <T, P> const &m) {
        this->value[0] = col_type(m[0], 0);
        this->value[1] = col_type(m[1], 0);
    }

    //////////////////////////////////////
    // Accesses

#	ifdef GLM_FORCE_SIZE_FUNC
    template <typename T, precision P>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR typename tmat2x4<T, P>::size_type tmat2x4<T, P>::size() const
    {
        return 2;
    }

    template <typename T, precision P>
    GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::col_type & tmat2x4<T, P>::operator[](typename tmat2x4<T, P>::size_type i)
    {
        assert(i < this->size());
        return this->value[i];
    }

    template <typename T, precision P>
    GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::col_type const & tmat2x4<T, P>::operator[](typename tmat2x4<T, P>::size_type i) const
    {
        assert(i < this->size());
        return this->value[i];
    }
#	else
    template<typename T, precision P>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR

    typename tmat2x4<T, P>::length_type tmat2x4<T, P>::length() const {
        return 2;
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::col_type
    &

    tmat2x4<T, P>::operator[](typename tmat2x4<T, P>::length_type i) {
        assert(i < this->length());
        return this->value[i];
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::col_type
    const &

    tmat2x4<T, P>::operator[](typename tmat2x4<T, P>::length_type i) const {
        assert(i < this->length());
        return this->value[i];
    }

#	endif//GLM_FORCE_SIZE_FUNC

    //////////////////////////////////////////////////////////////
    // Unary updatable operators

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator=(tmat2x4<T, P> const &m) {
        this->value[0] = m[0];
        this->value[1] = m[1];
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator=(tmat2x4<U, P> const &m) {
        this->value[0] = m[0];
        this->value[1] = m[1];
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator+=(U s) {
        this->value[0] += s;
        this->value[1] += s;
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator+=(tmat2x4<U, P> const &m) {
        this->value[0] += m[0];
        this->value[1] += m[1];
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator-=(U s) {
        this->value[0] -= s;
        this->value[1] -= s;
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator-=(tmat2x4<U, P> const &m) {
        this->value[0] -= m[0];
        this->value[1] -= m[1];
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator*=(U s) {
        this->value[0] *= s;
        this->value[1] *= s;
        return *this;
    }

    template<typename T, precision P>
    template<typename U>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator/=(U s) {
        this->value[0] /= s;
        this->value[1] /= s;
        return *this;
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator++() {
        ++this->value[0];
        ++this->value[1];
        return *this;
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    &

    tmat2x4<T, P>::operator--() {
        --this->value[0];
        --this->value[1];
        return *this;
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>

    tmat2x4<T, P>::operator++(int) {
        tmat2x4<T, P> Result(*this);
        ++*this;
        return Result;
    }

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>

    tmat2x4<T, P>::operator--(int) {
        tmat2x4<T, P> Result(*this);
        --*this;
        return Result;
    }

    //////////////////////////////////////////////////////////////
    // Binary operators

    template<typename T, precision P>
    GLM_FUNC_QUALIFIER tmat2x4<T, P>
    operator+(tmat2x4<T, P>
    const & m,
    T const &s
    ) {
    return
    tmat2x4<T, P>(
            m[0]
    + s,
    m[1] + s);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator+(tmat2x4<T, P>
const & m1,
tmat2x4<T, P> const &m2
)
{
return
tmat2x4<T, P>(
        m1[0]
+ m2[0],
m1[1] + m2[1]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator-(tmat2x4<T, P>
const & m,
T const &s
)
{
return
tmat2x4<T, P>(
        m[0]
- s,
m[1] - s);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator-(tmat2x4<T, P>
const & m1,
tmat2x4<T, P> const &m2
)
{
return
tmat2x4<T, P>(
        m1[0]
- m2[0],
m1[1] - m2[1]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator*(tmat2x4<T, P>
const & m,
T const &s
)
{
return
tmat2x4<T, P>(
        m[0]
* s,
m[1] * s);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator*(T
const & s,
tmat2x4<T, P> const &m
)
{
return
tmat2x4<T, P>(
        m[0]
* s,
m[1] * s);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::col_type
operator*(tmat2x4<T, P>
const & m,
typename tmat2x4<T, P>::row_type const &v
)
{
return
typename tmat2x4<T, P>::col_type(
        m[0][0]
* v.x + m[1][0] * v.y,
m[0][1] * v.x + m[1][1] * v.y,
m[0][2] * v.x + m[1][2] * v.y,
m[0][3] * v.x + m[1][3] * v.y);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER typename tmat2x4<T, P>::row_type

operator*(typename tmat2x4<T, P>::col_type const &v, tmat2x4<T, P> const &m) {
    return typename tmat2x4<T, P>::row_type(
            v.x * m[0][0] + v.y * m[0][1] + v.z * m[0][2] + v.w * m[0][3],
            v.x * m[1][0] + v.y * m[1][1] + v.z * m[1][2] + v.w * m[1][3]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat4x4<T, P>
operator*(tmat2x4<T, P>
const & m1,
tmat4x2 <T, P> const &m2
)
{
T SrcA00 = m1[0][0];
T SrcA01 = m1[0][1];
T SrcA02 = m1[0][2];
T SrcA03 = m1[0][3];
T SrcA10 = m1[1][0];
T SrcA11 = m1[1][1];
T SrcA12 = m1[1][2];
T SrcA13 = m1[1][3];

T SrcB00 = m2[0][0];
T SrcB01 = m2[0][1];
T SrcB10 = m2[1][0];
T SrcB11 = m2[1][1];
T SrcB20 = m2[2][0];
T SrcB21 = m2[2][1];
T SrcB30 = m2[3][0];
T SrcB31 = m2[3][1];

tmat4x4<T, P> Result(uninitialize);
Result[0][0] =
SrcA00 *SrcB00
+
SrcA10 *SrcB01;
Result[0][1] =
SrcA01 *SrcB00
+
SrcA11 *SrcB01;
Result[0][2] =
SrcA02 *SrcB00
+
SrcA12 *SrcB01;
Result[0][3] =
SrcA03 *SrcB00
+
SrcA13 *SrcB01;
Result[1][0] =
SrcA00 *SrcB10
+
SrcA10 *SrcB11;
Result[1][1] =
SrcA01 *SrcB10
+
SrcA11 *SrcB11;
Result[1][2] =
SrcA02 *SrcB10
+
SrcA12 *SrcB11;
Result[1][3] =
SrcA03 *SrcB10
+
SrcA13 *SrcB11;
Result[2][0] =
SrcA00 *SrcB20
+
SrcA10 *SrcB21;
Result[2][1] =
SrcA01 *SrcB20
+
SrcA11 *SrcB21;
Result[2][2] =
SrcA02 *SrcB20
+
SrcA12 *SrcB21;
Result[2][3] =
SrcA03 *SrcB20
+
SrcA13 *SrcB21;
Result[3][0] =
SrcA00 *SrcB30
+
SrcA10 *SrcB31;
Result[3][1] =
SrcA01 *SrcB30
+
SrcA11 *SrcB31;
Result[3][2] =
SrcA02 *SrcB30
+
SrcA12 *SrcB31;
Result[3][3] =
SrcA03 *SrcB30
+
SrcA13 *SrcB31;
return
Result;
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator*(tmat2x4<T, P>
const & m1,
tmat2x2 <T, P> const &m2
)
{
return
tmat2x4<T, P>(
        m1[0][0]
* m2[0][0] + m1[1][0] * m2[0][1],
m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1],
m1[0][3] * m2[0][0] + m1[1][3] * m2[0][1],
m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1],
m1[0][3] * m2[1][0] + m1[1][3] * m2[1][1]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x4<T, P>
operator*(tmat2x4<T, P>
const & m1,
tmat3x2 <T, P> const &m2
)
{
return
tmat3x4<T, P>(
        m1[0][0]
* m2[0][0] + m1[1][0] * m2[0][1],
m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1],
m1[0][3] * m2[0][0] + m1[1][3] * m2[0][1],
m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1],
m1[0][3] * m2[1][0] + m1[1][3] * m2[1][1],
m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1],
m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1],
m1[0][2] * m2[2][0] + m1[1][2] * m2[2][1],
m1[0][3] * m2[2][0] + m1[1][3] * m2[2][1]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator/(tmat2x4<T, P>
const & m,
T s
)
{
return
tmat2x4<T, P>(
        m[0]
/ s,
m[1] / s);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
operator/(T
s,
tmat2x4<T, P> const &m
)
{
return
tmat2x4<T, P>(
        s
/ m[0],
s / m[1]);
}

// Unary constant operators
template<typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x4<T, P>
const operator-(tmat2x4<T, P>
const & m)
{
return tmat2x4<T, P>(
-m[0],
-m[1]);
}

//////////////////////////////////////
// Boolean operators

template<typename T, precision P>
GLM_FUNC_QUALIFIER bool operator==(tmat2x4<T, P> const &m1, tmat2x4<T, P> const &m2) {
    return (m1[0] == m2[0]) && (m1[1] == m2[1]);
}

template<typename T, precision P>
GLM_FUNC_QUALIFIER bool operator!=(tmat2x4<T, P> const &m1, tmat2x4<T, P> const &m2) {
    return (m1[0] != m2[0]) || (m1[1] != m2[1]);
}

} //namespace glm
